5705721

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 10105920

約数和(自身を除く): 4400199

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 347, 567, 609, 783, 1041, 1827, 2349, 2429, 3123, 5481, 7287, 9369, 10063, 16443, 21861, 28107, 30189, 65583, 70441, 90567, 196749, 211323, 271701, 633969, 815103, 1901907, 5705721]

約数ペア:

[(1, 5705721), (3, 1901907), (7, 815103), (9, 633969), (21, 271701), (27, 211323), (29, 196749), (63, 90567), (81, 70441), (87, 65583), (189, 30189), (203, 28107), (261, 21861), (347, 16443), (567, 10063), (609, 9369), (783, 7287), (1041, 5481), (1827, 3123), (2349, 2429)]